Cetti's Warbler (June, Herts). Adult alarm calls and high-pitched fledgling calls.
Chiffchaff (June, Herts).
(June, Cumbria).
Willow Warbler (July, Cumbria).
Garden Warbler (June, Herts). Two calls are common among fledglings, one a begging call and the other a location call.
Blackcap fledglings have an adult-like (but softer) chack location call and a squeaky begging call (June, Herts).
(July, Herts).
Whitethroat juveniles (June, Herts).
Reed Warbler fledgling (May,Andalucia).
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